subject
Mathematics, 25.02.2020 22:31 jaelynnm

A classroom of students has their heights measured (in inches) for statistics investigation. The tallest student in the class is 71 inches tall. One student is assigned to record all the values. That student made a mistake when recording one of the values. When they meant to record the 71, they accidentally entered 711.How will the mean and SD be affected by this mistake?a. The mean and SD will be unaffected by the mistake. b. The mean and SD will be decreased by the mistake. c. The mean and SD will be increased by the mistake.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 19:30
Powerful women's group has claimed that men and women differ in attitudes about sexual discrimination. a group of 50 men (group 1) and 40 women (group 2) were asked if they thought sexual discrimination is a problem in the united states. of those sampled, 11 of the men and 19 of the women did believe that sexual discrimination is a problem. if the p-value turns out to be 0.035 (which is not the real value in this data set), then at = 0.05, you should fail to reject h0. at = 0.04, you should reject h0. at = 0.03, you should reject h0. none of these would be a correct statement.
Answers: 2
question
Mathematics, 21.06.2019 22:20
Cone a has a surface area of 384 ft2 and cone b has a surface area of 96 ft? . what is the ratio of their volume?
Answers: 1
question
Mathematics, 22.06.2019 00:30
Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.
Answers: 1
question
Mathematics, 22.06.2019 02:00
Look at the example below which shows how the product property of radicals is used to simplify a radical. use the product property of radicals to simplify the following radical.
Answers: 3
You know the right answer?
A classroom of students has their heights measured (in inches) for statistics investigation. The tal...
Questions
question
Mathematics, 05.03.2021 01:00
question
Mathematics, 05.03.2021 01:00
question
Mathematics, 05.03.2021 01:00
question
Mathematics, 05.03.2021 01:00
question
Mathematics, 05.03.2021 01:00
question
English, 05.03.2021 01:00
Questions on the website: 13722360